This patch adds a control for 600 ohm gain on the Sound Blaster ZxR.
Signed-off-by: Connor McAdams conmanx360@gmail.com --- sound/pci/hda/patch_ca0132.c | 44 ++++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 42 insertions(+), 2 deletions(-)
diff --git a/sound/pci/hda/patch_ca0132.c b/sound/pci/hda/patch_ca0132.c index f0781e4..90e6a96 100644 --- a/sound/pci/hda/patch_ca0132.c +++ b/sound/pci/hda/patch_ca0132.c @@ -154,7 +154,8 @@ enum { SMART_VOLUME_ENUM, MIC_BOOST_ENUM, AE5_HEADPHONE_GAIN_ENUM, - AE5_SOUND_FILTER_ENUM + AE5_SOUND_FILTER_ENUM, + ZXR_HEADPHONE_GAIN #define EFFECTS_COUNT (EFFECT_END_NID - EFFECT_START_NID) };
@@ -1031,7 +1032,8 @@ struct ca0132_spec { /* AE-5 Control values */ unsigned char ae5_headphone_gain_val; unsigned char ae5_filter_val; - + /* ZxR Control Values */ + unsigned char zxr_gain_set;
struct hda_codec *codec; struct delayed_work unsol_hp_work; @@ -4142,6 +4144,7 @@ static int ca0132_select_out(struct hda_codec *codec) }
static int ae5_headphone_gain_set(struct hda_codec *codec, long val); +static int zxr_headphone_gain_set(struct hda_codec *codec, long val); static int ca0132_effects_set(struct hda_codec *codec, hda_nid_t nid, long val);
static void ae5_mmio_select_out(struct hda_codec *codec) @@ -4178,6 +4181,7 @@ static void ca0132_alt_select_out_quirk_handler(struct hda_codec *codec) ca0113_mmio_gpio_set(codec, 2, true); ca0113_mmio_gpio_set(codec, 3, true); ca0113_mmio_gpio_set(codec, 5, false); + zxr_headphone_gain_set(codec, 0); chipio_set_control_param(codec, 0x0d, 0x24); break; case QUIRK_R3DI: @@ -4211,6 +4215,7 @@ static void ca0132_alt_select_out_quirk_handler(struct hda_codec *codec) ca0113_mmio_gpio_set(codec, 2, false); ca0113_mmio_gpio_set(codec, 3, false); ca0113_mmio_gpio_set(codec, 5, true); + zxr_headphone_gain_set(codec, spec->zxr_gain_set); chipio_set_control_param(codec, 0x0d, 0x21); break; case QUIRK_R3DI: @@ -4245,6 +4250,7 @@ static void ca0132_alt_select_out_quirk_handler(struct hda_codec *codec) ca0113_mmio_gpio_set(codec, 2, true); ca0113_mmio_gpio_set(codec, 3, true); ca0113_mmio_gpio_set(codec, 5, false); + zxr_headphone_gain_set(codec, 0); chipio_set_control_param(codec, 0x0d, 0x24); break; case QUIRK_R3DI: @@ -5019,6 +5025,17 @@ static int ae5_headphone_gain_set(struct hda_codec *codec, long val) return 0; }
+/* + * gpio pin 1 is a relay that switches on/off, apparently setting the headphone + * amplifier to handle a 600 ohm load. + */ +static int zxr_headphone_gain_set(struct hda_codec *codec, long val) +{ + ca0113_mmio_gpio_set(codec, 1, val); + + return 0; +} + static int ca0132_vnode_switch_set(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { @@ -5777,6 +5794,16 @@ static int ca0132_switch_put(struct snd_kcontrol *kcontrol, goto exit; }
+ if (nid == ZXR_HEADPHONE_GAIN) { + spec->zxr_gain_set = *valp; + if (spec->cur_out_type == HEADPHONE_OUT) + changed = zxr_headphone_gain_set(codec, *valp); + else + changed = 0; + + goto exit; + } + exit: snd_hda_power_down(codec); return changed; @@ -6185,6 +6212,16 @@ static int ae5_add_sound_filter_enum(struct hda_codec *codec) snd_ctl_new1(&knew, codec)); }
+static int zxr_add_headphone_gain_switch(struct hda_codec *codec) +{ + struct snd_kcontrol_new knew = + CA0132_CODEC_MUTE_MONO("ZxR: 600 Ohm Gain", + ZXR_HEADPHONE_GAIN, 1, HDA_OUTPUT); + + return snd_hda_ctl_add(codec, ZXR_HEADPHONE_GAIN, + snd_ctl_new1(&knew, codec)); +} + /* * Need to create slave controls for the alternate codecs that have surround * capabilities. @@ -6415,6 +6452,9 @@ static int ca0132_build_controls(struct hda_codec *codec) ae5_add_headphone_gain_enum(codec); ae5_add_sound_filter_enum(codec); } + + if (spec->quirk == QUIRK_ZXR) + zxr_add_headphone_gain_switch(codec); #ifdef ENABLE_TUNING_CONTROLS add_tuning_ctls(codec); #endif